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2017 ; 92
(3
): 156-163
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Radiation hazards to vascular surgeon and scrub nurse in mobile fluoroscopy
equipped hybrid vascular room
#MMPMID28289670
Kim JB
; Lee J
; Park K
Ann Surg Treat Res
2017[Mar]; 92
(3
): 156-163
PMID28289670
show ga
PURPOSE: The aim of the present study was to identify the radiation hazards to
vascular surgeons and scrub nurses working in mobile fluoroscopy equipped hybrid
vascular operation rooms; additionally, to estimate cumulative cancer risk due to
certain exposure dosages. METHODS: The study was conducted prospectively in 71
patients (53 men and 18 women) who had undergone vascular intervention at our
hybrid vascular theater for 6 months. OEC 9900 fluoroscopy was used as mobile
C-arm. Exposure dose (ED) was measured by attaching optically stimulated
luminescence at in and outside of the radiation protectors. To measure X-ray
scatter with the anthropomorphic phantom model, the dose was measured at 3
distances (20, 50, 100 cm) and 3 angles (horizontal, upward 45°, downward 45°)
using a personal gamma radiation dosimeter, Ecotest CARD DKG-21, for 1, 3, 5, 10
minutes. RESULTS: Lifetime attributable risk of cancer was estimated using the
approach of the Biological Effects of Ionizing Radiation report VII. The 6-month
ED of vascular surgeons and scrub nurses were 3.85, 1.31 mSv, respectively. The
attenuation rate of lead apron, neck protector and goggle were 74.6%, 60.6%, and
70.1%, respectively. All cancer incidences among surgeons and scrub nurses
correspond to 2,355 and 795 per 100,000 persons. The 10-minute dose at 100-cm
distance was 0.004 mSv at horizontal, 0.009 mSv at downward 45°, 0.003 mSv at
upward 45°. CONCLUSION: Although yearly radiation hazards for vascular surgeons
and scrub nurses are still within safety guidelines, protection principles can
never be too stringent when aiming to minimize the cumulative harmful effects.